錦湖KUMHO窄分布EPDM 誠信服務(wù) 上海君宜化工供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="8.密封條用EPDM選擇錦湖EPDM在密封條配方中應(yīng)用推薦：汽車密封條一般有以下幾種結(jié)構(gòu)：密實膠（單一硬度為密實膠，不同硬度則為復(fù)合膠料）；海綿膠與密實膠雙復(fù)合；海綿膠、密實膠與骨架三復(fù)合；四復(fù)合、多復(fù)合等。密實膠配合要點:生膠要求:高門尼"><meta name="keywords" content="錦湖KUMHO窄分布EPDM,錦湖"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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class="twoCol"><div id="3dgjv7l" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_xiangsu/">橡塑</a>?<a href="http://www.cdcfah.com/cp/third-xiangsu_qtflmw/">其他未分類</a>?錦湖KUMHO窄分布EPDM 誠信服務(wù) 上海君宜化工供應(yīng)</p><div id="wjp4rsd" class="leftbox clearfix"><h1>錦湖KUMHO窄分布EPDM 誠信服務(wù) 上海君宜化工供應(yīng)</h1><div id="z7rm33m" class="proBig"><div id="i8vhaab" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000898169722750/6370008981697227507562960.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="aijs2k8" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000898169722750/6370008981697227507562960.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="s8ub93q" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>錦湖KUMHO窄分布EPDM,錦湖</p><p><span>***更新：</span>2021-01-26 10:02:52</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rtknvbr" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海君宜化工銷售中心（有限合伙）</a></p><p><span>聯(lián)系人：</span>蘇剛</p><p><span>郵箱: </span>sg@estrongchem.com</p><p><span>電話: </span>13524989551</p><p><span>傳真: </span>021_60823996 </p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-60826029</p><p><span>地址: </span>上海市浦東新區(qū)五星路676弄萬科御河10棟</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="zmnsl2c" class="page-proshow02"><p class="title">詳細說明</p><div id="ow22zqw" class="box"><p><p> 8. 密封條用EPDM選擇 </p> <p> 錦湖EPDM在密封條配方中應(yīng)用推薦： </p> <p> 汽車密封條一般有以下幾種結(jié)構(gòu)：密實膠（單一硬度為密實膠，不同硬度則為復(fù)合膠料）；海綿膠與密實膠雙復(fù)合；海綿膠、密實膠與骨架三復(fù)合；四復(fù)合、多復(fù)合等。 </p> <p> <br /> </p> <p> 密實膠配合要點: </p> <p> 生膠要求:高門尼，中高乙烯，錦湖KUMHO窄分布EPDM，中等ENB </p> <p> 配方總份數(shù): 350phr-500phrr </p> <p> 關(guān)鍵性能: </p> <p> 混煉分散性 </p> <p> 擠出性能硬度 </p> <p> 拉伸、壓變等。 </p> <p> <br /> </p> <p> 配方設(shè)計: </p> <p> 高填充牌號: KEP570F、KEP5770、KEP281F、KEP282F、 </p> <p> **牌號:KEP2380 </p> <p> 接角牌號:KEP980N, KEP4640E, KEP2320, KEP330 </p> <p> <br /> </p> <p> 發(fā)泡膠配合要點： </p> <p> 生膠要求: </p> <p> 高門尼，錦湖KUMHO窄分布EPDM，中低等乙烯含量，高第三單體含量 </p> <p> <br /> </p> <p> 總份數(shù): 280-350份 </p> <p> 含膠率: 27%-32% </p> <p> 關(guān)鍵性能:擠出挺性好，錦湖KUMHO窄分布EPDM、外觀光滑優(yōu)良，發(fā)泡均勻 </p> <p> 關(guān)鍵性能:壓縮荷重、壓變、密度 </p> <p> 配方設(shè)計: KEP2480、KEP9590 (高壓變，回彈) 三元乙丙橡膠高溫流動性較好，故制造模壓制品時沒有什么困難。錦湖KUMHO窄分布EPDM</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO窄分布EPDM,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000898169722750/6370008981697227507562960.JPG"></div><p> 乙丙膠與高不飽和膠種并用二： </p> <p> 在拉斷強度降低幅度比較大的并用比時（ＥＰＤＭ／ＮＲ＝７５／２５）碘值與拉斷強度的關(guān)系。拉斷強度隨碘值增大而直線上升，這說明通過提高碘值可以改善并用膠的共硫化性，至于第三單體的效果，在同一碘值下進行的比較表明，硫化速度快的乙叉降冰片烯ＥＰＤＭ膠共硫化性遠為優(yōu)越，但決定的因素還是碘值。其次，調(diào)節(jié)硫化的特性也是有力的措施，并用膠的拉斷強度隨硫化促進劑種類的不同而有明顯的差異，采用低速促進劑時的拉斷強度比采用超速促進劑高得多，硫化速度（Ｖ）和硫化速度常數(shù)（Ｋ）與高不飽和橡膠的相應(yīng)值越接近越好。 </p> <p> 炭黑的影響如下：補強性越大，則拉斷強度越高，不同摻和方法的并用膠物理性能不同中兩種方法：一種為生膠摻和法，即先將生膠相互摻和，然后再加配合劑。另一種為母煉膠摻和法：系兩種生膠先分別加配合劑，***將兩種膠料摻和，性能以后者為佳。 </p> <p> <br /> 錦湖KUMHO KEP-960N為了制備綜合性能更優(yōu)異的橡膠，在技術(shù)上常對乙丙橡膠進行極化改性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO窄分布EPDM,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627881660156/3435995.jpg"></div><p> EPDM的填充 </p> <p> 三元乙丙膠屬于補強型的橡膠，并在大量填充時其物理性能的降低很小，當用炭黑作為補強材料時，拉斷強度隨炭黑粒徑的減少而增大，而與炭黑的結(jié)構(gòu)關(guān)系不大，而定伸應(yīng)力、硬度、門尼粘度等則幾乎只與炭黑的結(jié)構(gòu)相關(guān)，至于撕裂強度，則與炭黑的粒徑和結(jié)構(gòu)兩者均有依賴關(guān)系，其中以粒徑影響較大。 </p> <p> EＰＤＭ中用的**多的軟化劑是石油系油，它的組成特別復(fù)雜。但對三元乙丙膠具有相容性，它可以像填充劑那樣可以大量添加，主要的支配因素是油的粘度，從揮發(fā)性、膠料門尼粘度、拉斷強度、撕裂強度、熱老化后的拉斷強度和抗吸水性來看，油的粘度高些好，壓縮長久變形、屈撓龜裂增長和高溫拉斷強度等不受油的種類和型號所影響，但低溫特性隨油的粘度升高而變差 </p><p> 車用密封條的規(guī)格和結(jié)構(gòu) 直接由車型決定，其基本原理和結(jié)構(gòu)通常有一下幾種： </p> <p> <br /> </p> <p> 1 ）門框條、行李箱發(fā)動機蓋條：這類密封條通常有密封部分和緊部分組成。 </p> <p> <br /> </p> <p> 密封部分常見形式為海綿泡管（單管，雙管）屬變化密封條。固定部分為夾緊部分（有骨架或無骨架）。 </p> <p> <br /> </p> <p> 2）導(dǎo)槽、內(nèi)外側(cè)條：這類密封條由于處于玻璃升降部件，所以通常與玻璃接 </p> <p> <br /> </p> <p> 觸部分表面植絨或者噴涂層。這不僅可以減少摩擦阻力，降低噪音和表面 </p> <p> <br /> </p> <p> 清洗的作用，而且以密封唇邊起密封作用（屬滑動密封）。 </p> <p> <br /> </p> <p> 3）頭道：這類封條是安裝在車門上的密封條，它與門框密封條配合其密封作 </p> <p> <br /> </p> <p> 用（屬閉合密封），以補償門框密封條不足。這類密封條通常采用泡釘安裝 </p> <p> <br /> </p> <p> 或膠帶安裝。 </p> <p> <br /> </p> <p> **窗密封條：這類密封條是車體與風(fēng)窗玻璃之間的密封并起固定玻璃的作 </p> <p> <br /> </p> <p> 用，與上述幾類密封條不同的是這類一經(jīng)安裝便處于密封狀態(tài)，始終受張 </p> <p> <br /> </p> <p> 力作用，屬靜態(tài)密封，常采用嵌入式固定 </p> <p> <br /> </p> <p> <br /> 乙丙橡膠的**主要缺點是硫化速度慢；與其它不飽和橡膠并用難，自粘和互粘性都很差，故加工性能不好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO窄分布EPDM,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000897572294581/6370008975722945819736005.JPG"></div><p> EPDM的黏合一： </p> <p> 在橡膠制品生產(chǎn)過程中，黏合是一個很重要的課題。它包括橡膠與橡膠、橡膠與金屬和橡膠與纖維織物等之間黏合。乙丙橡膠由于表面缺乏活性，與其它材料粘合困難，尤其是一些在高溫、高負荷動態(tài)狀態(tài)下使用的制品如汽車傳動帶、空氣彈簧等用常規(guī)的粘合處理方法如ＲＦＬ和“間甲白”直黏體系等，很難達到滿意的黏合效果，需用特殊或幾種方法配合使用。 </p> <p> ＥＰＤＭ與纖維織物黏合中，纖維表面處理用ＲＦＬ浸漬液中的膠乳一般使用ＣＳＭ、ＢＲ和ＥＰＤＭ等，這在一般靜態(tài)使用的橡膠制品尚可，但高動態(tài)使用時，其黏合強度顯得不足，解決辦法有：①用特殊膠乳。用高反應(yīng)性的馬來酸酐聚二丁烯膠乳處理，可**提高尼龍、聚酯和芳綸等纖維與ＥＰＤＭ黏合強度。用過氧化物交聯(lián)的三元乙丙橡膠可在更苛刻的條件下使用。KEP-1030F錦湖服務(wù)為先</p><p style="text-indent:25px">三元乙丙可以利用有機過氧化物或者硫來進行硫化。錦湖KUMHO窄分布EPDM</p><p> 乙丙膠與高不飽和膠種并用一： </p> <p> 在兩種橡膠并用時影響共硫化的因素有橡膠相的混合性，兩種橡膠的硫化特性及配合劑的分散性，據(jù)知，三元乙丙膠與丁苯膠、天然橡膠或聚丁二烯膠等并用時，分散狀態(tài)為微觀不均勻分散，與硫化體系無關(guān)。但ＮＲ／ＳＢＲ、ＮＲ／聚丁二烯并用體系同ＥＰＤＭ并用體系的摻和狀態(tài)基本上都是相同的。因而分散狀態(tài)并不是一個太大的問題，問題在于硫化特性方面，決定因素為橡膠的硫化速度和硫化程度，當采用硫化體系時還決定于雙鍵的數(shù)量、位置和分布，此外，還決定于ＥＰＤＭ第三單體的種類。 </p> <p> 當三元乙丙膠并用少量不飽和橡膠時強度比較低，其原因在于兩種橡膠的硫化速度不同，二烯類橡膠先行硫化，而ＥＰＤＭ卻還停留在未硫化狀態(tài)，因此，為要提高共硫化性，研究一下如何提高ＥＰＤＭ含量大的膠料的強度是有意義的。錦湖KUMHO窄分布EPDM</p> <span style="display:none;"></span><p style="text-indent:25px">上海君宜化工銷售中心（有限合伙）是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標，有組織有體系的公司，堅持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍圖，在上海市市轄區(qū)等地區(qū)的橡塑行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將**上海君宜化工和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3019441.html</p></div></div></div></div></div><div id="cuqwx82" class="page-right 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